Pith Number

pith:KQOLQC75

pith:2021:KQOLQC75W2PPDFPKLVCUXMMTGI

not attested not anchored not stored refs pending

CaPC Learning: Confidential and Private Collaborative Learning

Adam Dziedzic, Christopher A. Choquette-Choo, Natalie Dullerud, Nicolas Papernot, Somesh Jha, Xiao Wang, Yunxiang Zhang

arxiv:2102.05188 v2 · 2021-02-09 · cs.LG · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQOLQC75W2PPDFPKLVCUXMMTGI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:24:53.818463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541cb80bfdb69ef195ea5d454bb193323490af6fcea4c6dfd281b4d001496fe5

Aliases

arxiv: 2102.05188 · arxiv_version: 2102.05188v2 · doi: 10.48550/arxiv.2102.05188 · pith_short_12: KQOLQC75W2PP · pith_short_16: KQOLQC75W2PPDFPK · pith_short_8: KQOLQC75

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KQOLQC75W2PPDFPKLVCUXMMTGI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 541cb80bfdb69ef195ea5d454bb193323490af6fcea4c6dfd281b4d001496fe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc06bd0218f998888a22b3e68b570f32810bbe4e7c96eb5abb92c06e27fc4452",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-09T23:50:24Z",
    "title_canon_sha256": "f41baa473ea95dacaa18505eeff15bfcb98429a41b198d118a96baa239f5ad4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05188",
    "kind": "arxiv",
    "version": 2
  }
}